Sarafiah, Siti, and Husnul Khatimah. “Development of Traditional Hopscotch Game Learning Media Based on Ethnomathematics in Class IV 9 Sila State Elementary School”. Noumerico: Journal of Technology in Mathematics Education 1, no. 1 (March 18, 2023): 10–21. Accessed February 1, 2026. https://ejournal.uit-lirboyo.ac.id/index.php/noumerico/article/view/3538.